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Best opt in forms plugins for WordPress

The most popular opt in forms plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Mailmunch Forms for Mailchimp leads with 10K+ active installs, ahead of ActiveDEMAND (1K+). All 2 plugins tagged “opt in forms” are below, with figures from WordPress.org that update every day.

Installs aren’t everything: a recent release, a “Tested up to” that matches the current WordPress, and support threads that get resolved show a plugin is looked after. Open any plugin for its downloads, rank history and alternatives.

Research this niche or see all plugins.

Top 2 opt in forms plugins

  1. 1.
    Mailmunch Forms for Mailchimp

    The most installed opt in forms plugin, with 10K+ active installs. Rated 4.6 from 372 reviews, updated 3 weeks ago.

  2. 2.
    ActiveDEMAND

    1K+ active installs. Rated 5.0 from 6 reviews, last updated 1 year ago. Tested only up to WordPress 6.8.12.

All 2 plugins tagged “opt in forms”